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Table 2 Case-control study population characteristics

From: Relationship of footwear comfort, selected size, and lower leg overuse injuries among infantry soldiers

  Total (n = 66) Subjects with prior OIa (n = 32) Non-injured subjects (n = 34) P valueb
Age, years 29.7 (5.5) 29.0 (5.7) 30.5 (5.3) 0.12
Height, m (SDc) 1.81 (0.13) 1.81 (0.13) 1.81 (0.13) 0.96
Weight, kg (SD) 81.3 (12.9) 81.3 (13.3) 81.2 (12.6) 0.96
Foot length, mm (SD) 274 (13) 275 (13) 273 (13) 0.19
Usage of foot orthotics, % (n) (n = 4) 12.5 (n = 4) 0 0.04
Foot blisters after long marching, % (n) 57. 6 (n = 38) 53.1 (n = 17) 61.8 (n = 21) 0.16
Foot skin lesions, % (n) (n = 14) (n = 6) (n = 8) 0.58
Toenail problems, % (n) (n = 18) (n = 14) (n = 4) 0.01
  1. aOI – overuse injury. bOne-way ANOVA test results; significant results are marked in bold. cStandard deviation (SD) is given in brackets